Home / 144.44-216.50-143.76

Finding the Fourth Proportional to 144.44, 216.50 and 143.76

Calculator

Solution

The fourth proportional to 144.44, 216.50 and 143.76 is: 215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.44 : 216.50 = 143.76 : x
  2. Step 2: Convert to fraction form
    144.44/216.50 = 143.76/x
  3. Step 3: Cross multiply
    144.44x = 216.50 × 143.76
  4. Step 4: Simplify right side
    144.44x = 31,124.04
  5. Step 5: Solve for x
    x = 31,124.04/144.44
  6. Step 6: Final answer
    x = 215.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.